The Andromeda Galaxy in Ultraviolet
What does the Andromeda galaxy look like in ultraviolet light?Young blue stars circling the galactic center dominate. A mere 2.5 million light-years away, the Andromeda Galaxy, alsoknown as M31, really is just next door as large galaxies go.Spanningabout 230,000 light-years, it took 11 different image fields from NASA’s Galaxy Evolution Explorer (GALEX) satellitetelescope to produce this gorgeous portrait of the spiral galaxy inultraviolet light in 2003.
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